How To Fix 1S434 - Error when creating the HTTP connection

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 434

• Message text: Error when creating the HTTP connection

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1S434 - Error when creating the HTTP connection ?

  The SAP error message 1S434 indicates that there is an issue when trying to create an HTTP connection. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target HTTP server.
  Incorrect URL: The URL specified for the HTTP connection may be incorrect or malformed.
  Authentication Issues: If the HTTP connection requires authentication, incorrect credentials may lead to this error.
  Firewall Restrictions: Firewalls or security settings may be blocking the HTTP request.
  SAP Configuration: The HTTP connection may not be properly configured in the SAP system.
  SSL/TLS Issues: If the connection is over HTTPS, there may be issues with SSL certificates or TLS settings.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the target HTTP server. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify the URL:
  
  Double-check the URL used in the HTTP connection configuration. Ensure it is correctly formatted and points to the right endpoint.
  
  
  
  Review Authentication Settings:
  
  If the HTTP connection requires authentication, verify that the credentials (username and password) are correct and have the necessary permissions.
  
  
  
  Examine Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the HTTP requests from the SAP system to the target server.
  
  
  
  Check SAP Configuration:
  
  Go to transaction SM59 (RFC Destinations) and review the configuration of the HTTP connection. Ensure that all parameters are set correctly.
  
  
  
  SSL/TLS Configuration:
  
  If using HTTPS, ensure that the SSL certificates are valid and properly installed. You may need to import the server's SSL certificate into the SAP system's trust store.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SLG1) for more detailed error messages that could provide additional context for the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations, including HTTP connections.
  SLG1: To view application logs for troubleshooting.
  
  
  
  SAP Notes: Search the SAP Support Portal for notes related to HTTP connection issues, as they may provide specific guidance or patches.
  
  
  Documentation: Review SAP documentation on configuring HTTP connections for additional insights and best practices.
  
  
  By systematically checking these areas, you should be able to identify the root cause of the 1S434 error and implement an appropriate solution.